Bag filling device



FIG. 1 is a perspective view showing my new design for a bag filling device, as seen from the left side;

FIG. 2 is a front elevational view;

FIG. 3 is an elevational view taken from the right of FIG. 1;

FIG. 4 is a rear elevational view.

FIG. 5 is a top plan view; and

FIG. 6 is a bottom plan view. 

The ornamental design for a bag filling device, as shown. 